Bioconcentration of Chromium (Cr) on The Soft Tissue of Mussels (Perna viridis, Linnaeus 1758) in Tambak Lorok Waters, Semarang

S. Rudiyanti, S. Suryanti, Churun Ain
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Abstract

Industrial development provides economic benefits, but also increases the concentration of waste pollution which affects the aquatic environment of Tambak Lorok on the North Coast of Central Java. The existence of this waste will affect the life of the biota in it, such as mussels (Perna viridis). The heavy metal Chromium is the focus of research, considering that its presence in large quantities which accumulates in the human body causes health problems. The aims of the research were to determine the content of heavy metal Cr in the waters, sediments, and soft tissue of mussels, to determine the bioconcentration of heavy metal Cr in mussels, and to determine the tolerable intake of weekly consumption of the mussels cultivated in Tambak Lorok waters. The content of Cr in water samples, sediment, and mussel soft tissue was measured the APHA 3111B-2012 method, US EPA SW-846/3050 B-1996 SM 3111B-2012 method, and SSA method. The calculation of bioconcentration mussels, using the bioconcentration factor and Maximum Tolerable Intake. The heavy metal content of Cr in the water column was 0.015 – 0.025 mg.L-1 (upper the quality standard), in sediment was 25.12 – 28.72 mg.kg-1(lower the quality standard), and in the soft tissue of mussels was 0.155 – 0.265 mg/kg (upper the quality standard). The bioconcentration factor of metal Cr in mussels is classified as low, which is around 10.35 – 14. The maximum tolerable intake for mussels was 6,078 kg/week, it is considered safe for consumption.
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三宝垄Tambak Lorok水域贻贝(Perna viridis,Linnaeus 1758)软组织中铬的生物富集
工业发展带来了经济效益,但也增加了废物污染的浓度,这影响了中爪哇北海岸Tambak Lorok的水环境。这种废物的存在将影响其中生物群的生活,如贻贝(绿贻贝)。重金属铬是研究的重点,因为它在人体内大量积累会导致健康问题。该研究的目的是确定贻贝的水域、沉积物和软组织中重金属铬的含量,确定贻贝中重金属Cr的生物浓度,并确定在Tambak Lorok水域养殖的贻贝每周食用量的可容忍摄入量。采用APHA 3111B-2012法、US EPA SW-846/3050 B-1996 SM 3111B-2012方法和SSA方法测定水样、沉积物和贻贝软组织中Cr的含量。使用生物浓缩因子和最大容许摄入量计算生物浓缩贻贝。水体中Cr的重金属含量为0.015–0.025 mg.L-1(质量标准较高),沉积物中Cr的含量为25.12–28.72 mg.kg-1(质量标准较低),贻贝软组织中Cr的金属含量为0.155–0.265 mg/kg(质量标准上部)。金属铬在贻贝中的生物富集因子被归类为低,约为10.35-14。贻贝的最大可耐受摄入量为6078公斤/周,被认为是安全食用的。
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0.00%
发文量
43
审稿时长
16 weeks
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